35 Amp Cable Size at 500 Meters (415V Three-Phase (UK / Australia Industrial))
IEC 60364-5-52 metric conductor sizing (mm²), voltage drop, and power loss calculation for 35 A over 500 m (1640.4 ft).
Copper Cable (≤3% Drop)70 mm²Drop: 9.27V (2.23%)
Aluminum Cable (≤3% Drop)95 mm²Drop: 11.26V (2.71%)
Voltage at Load405.7 VLine Loss: 561.8 W
Max Power & Breaker25.16 kW35A MCB/MCCB
IEC 60364 Cable Cross-Section Table (1.5 mm² – 400 mm²) for 35A at 500m
| Cross-Section (mm²) | Cu Ampacity | Al Ampacity | Cu Voltage Drop | Load Voltage | Al Voltage Drop | Power Loss | Status |
|---|---|---|---|---|---|---|---|
| 1.5 mm² | 16 A | 12 A | 432.44 V (104.2%) | 0.0 V | 713.32 V (171.88%) | 26215.0 W | Drop High |
| 2.5 mm² | 24 A | 18 A | 259.46 V (62.52%) | 155.5 V | 427.99 V (103.13%) | 15729.0 W | Drop High |
| 4 mm² | 32 A | 25 A | 162.16 V (39.08%) | 252.8 V | 267.49 V (64.46%) | 9830.6 W | Drop High |
| 6 mm² | 41 A | 32 A | 108.11 V (26.05%) | 306.9 V | 178.33 V (42.97%) | 6553.8 W | Drop High |
| 10 mm² | 57 A | 44 A | 64.87 V (15.63%) | 350.1 V | 107.0 V (25.78%) | 3932.2 W | Drop High |
| 16 mm² | 76 A | 59 A | 40.54 V (9.77%) | 374.5 V | 66.87 V (16.11%) | 2457.7 W | Drop High |
| 25 mm² | 101 A | 78 A | 25.95 V (6.25%) | 389.1 V | 42.8 V (10.31%) | 1572.9 W | Drop High |
| 35 mm² | 125 A | 97 A | 18.53 V (4.47%) | 396.5 V | 30.57 V (7.37%) | 1123.5 W | ~ ≤5% |
| 50 mm² | 151 A | 118 A | 12.97 V (3.13%) | 402.0 V | 21.4 V (5.16%) | 786.4 W | ~ ≤5% |
| 70 mm² | 192 A | 150 A | 9.27 V (2.23%) | 405.7 V | 15.29 V (3.68%) | 561.8 W | ✓ OK (≤3%) |
| 95 mm² | 232 A | 181 A | 6.83 V (1.65%) | 408.2 V | 11.26 V (2.71%) | 413.9 W | ✓ OK (≤3%) |
| 120 mm² | 269 A | 210 A | 5.41 V (1.3%) | 409.6 V | 8.92 V (2.15%) | 327.7 W | ✓ OK (≤3%) |
| 150 mm² | 309 A | 241 A | 4.32 V (1.04%) | 410.7 V | 7.13 V (1.72%) | 262.1 W | ✓ OK (≤3%) |
| 185 mm² | 353 A | 275 A | 3.51 V (0.84%) | 411.5 V | 5.78 V (1.39%) | 212.6 W | ✓ OK (≤3%) |
| 240 mm² | 415 A | 324 A | 2.7 V (0.65%) | 412.3 V | 4.46 V (1.07%) | 163.8 W | ✓ OK (≤3%) |
| 300 mm² | 477 A | 372 A | 2.16 V (0.52%) | 412.8 V | 3.57 V (0.86%) | 131.1 W | ✓ OK (≤3%) |
| 400 mm² | 570 A | 445 A | 1.62 V (0.39%) | 413.4 V | 2.67 V (0.64%) | 98.3 W | ✓ OK (≤3%) |
FAQ — 35 Amp Cable Size at 500 Meters (415V Three-Phase (UK / Australia Industrial))
What mm² cable size is required for 35A at 500 meters (415V)?
According to IEC 60364-5-52 ampacity and the 3% maximum voltage drop standard, you need 70 mm² copper cable for 35A over 500m at 415V (voltage drop: 9.27V or 2.23%).
What is the power capacity of 35A at 415V?
At unity power factor, 35A at 415V supports 25.16 kW with a standard 35A circuit breaker.
Related Lengths & Currents (415V)
35A · 5m (415V)35A · 10m (415V)35A · 15m (415V)35A · 20m (415V)35A · 25m (415V)35A · 30m (415V)35A · 35m (415V)35A · 40m (415V)35A · 45m (415V)35A · 50m (415V)35A · 60m (415V)35A · 70m (415V)10A · 500m (415V)16A · 500m (415V)20A · 500m (415V)25A · 500m (415V)32A · 500m (415V)40A · 500m (415V)50A · 500m (415V)63A · 500m (415V)80A · 500m (415V)100A · 500m (415V)125A · 500m (415V)160A · 500m (415V)200A · 500m (415V)